SLIDING ROOF SYSTEM TERMINALS OF ECU

CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY)

Disconnect the V19 sliding roof ECU (sliding roof drive gear sub-assembly) connector.

Measure the resistance and voltage according to the value(s) in the table below.

Tech Tips

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
V19-1 (B) - V19-2 (E)	B - W-B	Battery power supply	Engine switch off	11 to 14 V
V19-6 (IG) - V19-2 (E)	LA-GR - W-B	IG power supply	Engine switch off	Below 1 V
V19-6 (IG) - V19-2 (E)	LA-GR - W-B	IG power supply	Engine switch on (IG)	11 to 14 V
V19-2 (E) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω

Reconnect the V19 sliding roof ECU (sliding roof drive gear sub-assembly) connector.

Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
V19-10 (OPN) - V19-2 (E)	W - W-B	Sliding roof motor open	Engine switch on (IG), OPEN switch on	Below 1 V
V19-10 (OPN) - V19-2 (E)	W - W-B	Sliding roof motor open	Engine switch on (IG), OPEN switch off	11 to 14 V
V19-8 (CLS) - V19-2 (E)	SB - W-B	Sliding roof motor close	Engine switch on (IG), CLOSE switch on	Below 1 V
V19-8 (CLS) - V19-2 (E)	SB - W-B	Sliding roof motor close	Engine switch on (IG), CLOSE switch off	11 to 14 V
V19-5 (OPN) - V19-2 (E)	R - W-B	Sliding roof motor up	Engine switch on (IG), UP switch on	Below 1 V
V19-5 (OPN) - V19-2 (E)	R - W-B	Sliding roof motor up	Engine switch on (IG), UP switch off	11 to 14 V
V19-9 (CLS) - V19-2 (E)	LG - W-B	Sliding roof motor down	Engine switch on (IG), DOWN switch on	Below 1 V
V19-9 (CLS) - V19-2 (E)	LG - W-B	Sliding roof motor down	Engine switch on (IG), DOWN switch off	11 to 14 V